55081934 has 4 divisors (see below), whose sum is σ = 82622904. Its totient is φ = 27540966.

The previous prime is 55081927. The next prime is 55081967. The reversal of 55081934 is 43918055.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55081894 and 55081903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13770482 + ... + 13770485.

It is an arithmetic number, because the mean of its divisors is an integer number (20655726).

Almost surely, 2^55081934 is an apocalyptic number.

55081934 is a deficient number, since it is larger than the sum of its proper divisors (27540970).

55081934 is a wasteful number, since it uses less digits than its factorization.

55081934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27540969.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 55081934 is about 7421.7204204955. The cubic root of 55081934 is about 380.4839954750.

Adding to 55081934 its reverse (43918055), we get a palindrome (98999989).

The spelling of 55081934 in words is "fifty-five million, eighty-one thousand, nine hundred thirty-four".